{"id":"CVE-2022-50878","state":"PUBLISHED","title":"gpu: lontium-lt9611: Fix NULL pointer dereference in lt9611_connector_init()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ngpu: lontium-lt9611: Fix NULL pointer dereference in lt9611_connector_init()\n\nA NULL check for bridge->encoder shows that it may be NULL, but it\nalready been dereferenced on all paths leading to the check.\n812\tif (!bridge->encoder) {\n\nDereference the pointer bridge->encoder.\n810\tdrm_connector_attach_encoder(&lt9611->connector, bridge->encoder);","publishedAt":"2025-12-30T12:23:18.173Z","updatedAt":"2026-05-11T19:26:52.621Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"23278bf54afe180967069bdc8c0f1c7a365fc63e","status":"affected","lessThan":"3959e8faf8bf6bea619e8856c736db64e6eced37","versionType":"git"},{"version":"23278bf54afe180967069bdc8c0f1c7a365fc63e","status":"affected","lessThan":"a29f7427041a943484f916157c43c46d3bbf25d4","versionType":"git"},{"version":"23278bf54afe180967069bdc8c0f1c7a365fc63e","status":"affected","lessThan":"b2e4323e0020213f44dca6ffc815d66aef39f6f6","versionType":"git"},{"version":"23278bf54afe180967069bdc8c0f1c7a365fc63e","status":"affected","lessThan":"912f84e15e94ab87f5a7156aa1870090373d8304","versionType":"git"},{"version":"23278bf54afe180967069bdc8c0f1c7a365fc63e","status":"affected","lessThan":"ef8886f321c5dab8124b9153d25afa2a71d05323","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/bridge/lontium-lt9611.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.10","versionType":"semver"},{"version":"5.10.150","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.75","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.19.17","status":"unaffected","lessThanOrEqual":"5.19.*","versionType":"semver"},{"version":"6.0.3","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/bridge/lontium-lt9611.c"]}],"references":["https://git.kernel.org/stable/c/3959e8faf8bf6bea619e8856c736db64e6eced37","https://git.kernel.org/stable/c/a29f7427041a943484f916157c43c46d3bbf25d4","https://git.kernel.org/stable/c/b2e4323e0020213f44dca6ffc815d66aef39f6f6","https://git.kernel.org/stable/c/912f84e15e94ab87f5a7156aa1870090373d8304","https://git.kernel.org/stable/c/ef8886f321c5dab8124b9153d25afa2a71d05323"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/50xxx/CVE-2022-50878.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50878","state":"PUBLISHED","datePublished":"2025-12-30T12:23:18.173Z","dateUpdated":"2026-05-11T19:26:52.621Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-12-30T12:06:07.137Z"},"containers":{"cna":{"title":"gpu: lontium-lt9611: Fix NULL pointer dereference in lt9611_connector_init()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ngpu: lontium-lt9611: Fix NULL pointer dereference in lt9611_connector_init()\n\nA NULL check for bridge->encoder shows that it may be NULL, but it\nalready been dereferenced on all paths leading to the check.\n812\tif (!bridge->encoder) {\n\nDereference the pointer bridge->encoder.\n810\tdrm_connector_attach_encoder(&lt9611->connector, bridge->encoder);"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"23278bf54afe180967069bdc8c0f1c7a365fc63e","status":"affected","lessThan":"3959e8faf8bf6bea619e8856c736db64e6eced37","versionType":"git"},{"version":"23278bf54afe180967069bdc8c0f1c7a365fc63e","status":"affected","lessThan":"a29f7427041a943484f916157c43c46d3bbf25d4","versionType":"git"},{"version":"23278bf54afe180967069bdc8c0f1c7a365fc63e","status":"affected","lessThan":"b2e4323e0020213f44dca6ffc815d66aef39f6f6","versionType":"git"},{"version":"23278bf54afe180967069bdc8c0f1c7a365fc63e","status":"affected","lessThan":"912f84e15e94ab87f5a7156aa1870090373d8304","versionType":"git"},{"version":"23278bf54afe180967069bdc8c0f1c7a365fc63e","status":"affected","lessThan":"ef8886f321c5dab8124b9153d25afa2a71d05323","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/bridge/lontium-lt9611.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.10","versionType":"semver"},{"version":"5.10.150","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.75","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.19.17","status":"unaffected","lessThanOrEqual":"5.19.*","versionType":"semver"},{"version":"6.0.3","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/bridge/lontium-lt9611.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/3959e8faf8bf6bea619e8856c736db64e6eced37"},{"url":"https://git.kernel.org/stable/c/a29f7427041a943484f916157c43c46d3bbf25d4"},{"url":"https://git.kernel.org/stable/c/b2e4323e0020213f44dca6ffc815d66aef39f6f6"},{"url":"https://git.kernel.org/stable/c/912f84e15e94ab87f5a7156aa1870090373d8304"},{"url":"https://git.kernel.org/stable/c/ef8886f321c5dab8124b9153d25afa2a71d05323"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:26:52.621Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"5.10.150"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"5.15.75"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"5.19.17"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"6.0.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"6.1"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}